CN1058801C - 电流偏置磁性自旋阀式传感元件 - Google Patents

电流偏置磁性自旋阀式传感元件 Download PDF

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Publication number
CN1058801C
CN1058801C CN93119325A CN93119325A CN1058801C CN 1058801 C CN1058801 C CN 1058801C CN 93119325 A CN93119325 A CN 93119325A CN 93119325 A CN93119325 A CN 93119325A CN 1058801 C CN1058801 C CN 1058801C
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CN
China
Prior art keywords
sensing element
magneto
resistor sensing
magnetic
ferromagnetic layer
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN93119325A
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English (en)
Chinese (zh)
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CN1103195A (zh
Inventor
威廉·查尔斯·凯恩
伯纳德·戴尼
小罗伯特·爱德华·方塔纳
弗吉尔·西蒙·斯派利欧芬
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International Business Machines Corp
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International Business Machines Corp
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Publication of CN1103195A publication Critical patent/CN1103195A/zh
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Publication of CN1058801C publication Critical patent/CN1058801C/zh
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B2005/3996—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects large or giant magnetoresistive effects [GMR], e.g. as generated in spin-valve [SV] devices

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
CN93119325A 1992-11-17 1993-10-20 电流偏置磁性自旋阀式传感元件 Expired - Fee Related CN1058801C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/977,382 US5301079A (en) 1992-11-17 1992-11-17 Current biased magnetoresistive spin valve sensor
US977,382/92 1992-11-17
US977,382 1992-11-17

Publications (2)

Publication Number Publication Date
CN1103195A CN1103195A (zh) 1995-05-31
CN1058801C true CN1058801C (zh) 2000-11-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN93119325A Expired - Fee Related CN1058801C (zh) 1992-11-17 1993-10-20 电流偏置磁性自旋阀式传感元件

Country Status (9)

Country Link
US (1) US5301079A (enrdf_load_stackoverflow)
EP (1) EP0598581B1 (enrdf_load_stackoverflow)
JP (1) JP2725987B2 (enrdf_load_stackoverflow)
KR (1) KR970008168B1 (enrdf_load_stackoverflow)
CN (1) CN1058801C (enrdf_load_stackoverflow)
DE (1) DE69326308T2 (enrdf_load_stackoverflow)
MY (1) MY110737A (enrdf_load_stackoverflow)
SG (1) SG42330A1 (enrdf_load_stackoverflow)
TW (1) TW225027B (enrdf_load_stackoverflow)

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US5747997A (en) * 1996-06-05 1998-05-05 Regents Of The University Of Minnesota Spin-valve magnetoresistance sensor having minimal hysteresis problems
US6166539A (en) * 1996-10-30 2000-12-26 Regents Of The University Of Minnesota Magnetoresistance sensor having minimal hysteresis problems
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Also Published As

Publication number Publication date
DE69326308T2 (de) 2000-04-20
JP2725987B2 (ja) 1998-03-11
JPH06203340A (ja) 1994-07-22
MY110737A (en) 1999-02-27
KR970008168B1 (ko) 1997-05-21
EP0598581A3 (en) 1995-10-04
CN1103195A (zh) 1995-05-31
TW225027B (enrdf_load_stackoverflow) 1994-06-11
EP0598581A2 (en) 1994-05-25
KR940012687A (ko) 1994-06-24
SG42330A1 (en) 1997-08-15
US5301079A (en) 1994-04-05
EP0598581B1 (en) 1999-09-08
DE69326308D1 (de) 1999-10-14

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